1)Frame with wheels is convenient for moving 2)Suitable for professional cleaning vehicle,resturant,animal husbandry and cleaning industry 3)Adjustable pressure for various cleaning purposes 4)Detergent suction and spray are available when a detergent nozzle is used 5)Industrial grade triplex pump has brass manifold and oil sight glass 6)Electric leakage protection device shuts off the power supply to prevent from electric shock